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UP - Santa Susana Tunnel

Photos 

Santa Susana Tunnel South

The South Portal for Santa Susana Tunnel in Chatsworth, California.

Photo taken by Ed Hollowell in January 2004

Enlarge

BH Photo #158377

Description 

Built by the Southern Pacific Railroad. Started in 1900 and opened in 1904. Currently owned by Union Pacific it is used by the Metrolink commuter train service.

Facts 

Overview
Tunnel on Union Pacific Railroad
Location
Chatsworth, Ventura County, California, and Los Angeles County, California
Status
Open to traffic
History
Finished in 1904, Rebuilt 1922
Railroads
- Southern Pacific Railroad (SP)
- Union Pacific Railroad (UP)
Design
Tunnel
Dimensions
Total length: 7,369.0 ft. (1.4 mi.)
Also called
The Big Hole
Tunnel 26
Approximate latitude, longitude
+34.26317, -118.62229   (decimal degrees)
34°15'47" N, 118°37'20" W   (degrees°minutes'seconds")
Approximate UTM coordinates
11/350641/3792526 (zone/easting/northing)
Quadrangle map:
Chatsworth
Elevation
1110 ft. above sea level
Inventory number
BH 44509 (Bridgehunter.com ID)

Update Log 

  • March 20, 2010: Added by Ed Hollowell

Sources 

  • Ed Hollowell - erhollowell [at] aol [dot] com

Comments 

UP - Santa Susana Tunnel
Posted August 8, 2021, by William Flower (william [dot] c [dot] flower [at] gmail [dot] com)

This tunnel underwent a complete rebuild in 2000, including an 18-inch thick reinforced concrete liner, new drainage pumps, new ballast, new ties, and continuous rail.

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